Knurled mini TDC thumbscrew with laser etched adjustment arrows and short M4 thread
Mini TDC thumbscrew installed on the hop-up cover of an airsoft pistol, seen from the side
Rear view of an SSX23 pistol on a stand with the thumbscrew fitted to its TDC cover
Sight picture over the SSX23 showing red and green fiber optics clear of the screw
SSX23 with extended magazine lying flat, the low thumbscrew mounted on its TDC cover
Side profile showing how little the low profile thumbscrew rises above the pistol slide
Thumbscrew fitted in the SSX303 hop-up window beside the engraved HOP UP arrow
Anodized aluminum thumbscrew from below, showing the knurled edge and M4 thread

SSX23 / MK23 Mini TDC Thumbscrew

Regular price€10.00 EUR
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Tax included. Shipping calculated at checkout.
  • Shipping worldwide from EU
  • In stock, ready to ship
  • Backordered, shipping soon
  • 1x thumbscrew

Worldwide shipping starts at 7.90€ and is calculated during checkout based on location.

Orders are usually fulfilled in 1-2 business days and are shipped from our warehouse in Netherlands.

⚠ Duties may apply if you're based outside EU economic zone

This thumbscrew is made in collaboration with Project Airsoft. It replaces the original screw on your pistol's TDC cover and is fully compatible with:

  • Novritsch TDC cover for SSX23
  • Hadron Design's TDC cover for MK23
  • Most other TDC covers with M4 size threads

It's manufactured with a slightly oversized M4 thread so it wouldn't turn by itself when installed. It also comes with a dab of pre-applied thread glue to provide even more friction.

The screw is made out of anodized 6061 aluminum and has laser etched indicator for hopup adjustment direction. Thumbscrew has knurled sides so you can easily adjust hopup even with gloves.

It's super low profile so it doesn't get in the way of fibre sights or prevent you from using a holster.

⚠ During the initial installation the screw can be a bit tight - it will wear in over time
⚠ It fits SSX303 but stock screw is overall a better fit than this thumbscrew